Home / 23,271.10-32,103.70-15,715.01

Finding the Fourth Proportional to 23,271.10, 32,103.70 and 15,715.01

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Solution

The fourth proportional to 23,271.10, 32,103.70 and 15,715.01 is: 21,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,271.10 : 32,103.70 = 15,715.01 : x
  2. Step 2: Convert to fraction form
    23,271.10/32,103.70 = 15,715.01/x
  3. Step 3: Cross multiply
    23,271.10x = 32,103.70 × 15,715.01
  4. Step 4: Simplify right side
    23,271.10x = 504,509,966.54
  5. Step 5: Solve for x
    x = 504,509,966.54/23,271.10
  6. Step 6: Final answer
    x = 21,679.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.